首页
登录
职称英语
A rectangular floor 18 feet by 10 feet is to be completely covered with carpetin
A rectangular floor 18 feet by 10 feet is to be completely covered with carpetin
游客
2025-02-24
7
管理
问题
A rectangular floor 18 feet by 10 feet is to be completely covered with carpeting that costs x dollars per square yard. In terms of x, how many dollars will the carpeting cost? (1 yard = 3 feet)
选项
A、20x
B、28x
C、60x
D、180x
E、540x
答案
A
解析
一长为18英尺,宽为10英尺的长方形地板要全部铺上每平方码x美元的地毯。以x为单位,地毯总共需花多少钱?(1码=3英尺)
解:本题的正确答案为(A)。解答该题时,考生一定要注意前后单位的变化,一时疏忽很易选(D)。考虑单位变化,18/3 × 10/3 ×x=20x。
转载请注明原文地址:https://tihaiku.com/zcyy/3971204.html
相关试题推荐
ResearchersinCityXrecentlydiscoveredlowlevelsofseveralpharmaceuticald
FirstdiscoveredseveralyearsagoinNorthAmericanlakesandrivers,thenorth
[img]ct_gre5image090[/img]Intherectangularcoordinatesystemabove,ifP,not
Intherectangularcoordinatesystem,linekpassesthroughthepoints(0,0)an
[img]ct_gre5image060[/img]Therectangularsolidaboveismadeupofeightcubes
[img]ct_gre5image052[/img]Allfacesofthesolidabovearerectangular.Column
Iftheareasofthreeofthefacesofarectangularsolidare6,10,and15,what
[img]ct_4image002[/img]Thefigureaboveshowsarectangularplayareainwhich
Arectangularfloorwithanareaof12squaremetersisdrawntoscalewith2ce
[img]ct_gre5image048[/img]Therectangularboxshownabovehasbeenwrappedwith
随机试题
Women’smindsworkdifferentlyfrommen’s.Atleast,thatiswhatmostmena
[originaltext]M:That’sscream’sprenupright.Imean,youshouldjustgetapr
[originaltext]Duringastateofdeeprelaxation,severalphysiologicalchan
[originaltext]Inthepastfewmonths,I’vebeentravelingforweeksatati
面黑黯淡者,多属()A.肾虚水饮 B.肾阳虚 C.肾阴虚 D.瘀
患者男,68岁,8年来站立或腹压增高时反复出现右腹股沟肿物,平卧安静时肿块明显缩
()是用以装载无包装的大宗货物的船舶。A:杂货船 B:散装货船 C:冷藏船
军团菌肺炎的病变特点有 A.可表现为肺大叶的炎症B.可表现为小叶融合性炎症
共用题干 一般资料:求助者,女性,27岁,某公司职员。案例介绍:求助者是家中独
按金融交易涉及的地域不同进行划分,金融市场可分为()。A.债务融资市场 B.
最新回复
(
0
)